.clock_area {
    width: 550px;
    height: 700px;
    margin: 0 auto;
    padding-top: 80px;
    /* border: 3px solid red; */ /* 시계 영역 보기 */
    position: relative;
}
.big_aclock {
    opacity: 0.8;
    width: 560px;
    height: 560px;  /* calc 의 기준(height/2)*/

    border: 4px solid black;
    border-radius: 50%;
    position: absolute;
    display: block;
    text-align: center;
    float: left;
    background: rgb(0,0,0);
    background: linear-gradient(142deg, rgba(0,0,0,1) 0%, rgb(134, 132, 132) 100%);
}
/* 시계 숫자 부분 시작 */
.number {
    position: absolute;
    z-index: 1;
    font-size: 40px;
    font-family: 'Jua',sans-serif;
    color: #666;
}
#number12 {
    right: 0;
    left: 0;
    top: 0;
    text-align: center;
    color: #fff;
}
#number6 {
    right: 0;
    left: 0;
    bottom: 0;
    text-align: center;
    color: #fff;
}
#number3 {
    top: 0;
    bottom: 0;
    display: flex;
    flex-direction: row;
    align-items: center;
    right: 5px;
    color: #fff;
}
#number9 {
    top: 0;
    bottom: 0;
    display: flex;
    flex-direction: row;
    align-items: center;
    left: 5px;
    color: #fff;
}
#number1 {
    top: calc(280px - 240px);
    right: calc(280px - 140px);
}
#number11 {
    top: calc(280px - 240px);
    left: calc(280px - 140px);
}
#number2 {
    top: calc(280px - 150px);
    right: calc(280px - 240px);
    color: #222;
}
#number10 {
    top: calc(280px - 150px);
    left: calc(280px - 240px);
}
#number4 {
    bottom: calc(280px - 160px);
    right: calc(280px - 240px);
    color: #222;
}
#number8 {
    bottom: calc(280px - 160px);
    left: calc(280px - 240px);
}
#number5 {
    bottom: calc(280px - 240px);
    right: calc(280px - 140px);
    color: #222;
}
#number7 {
    bottom: calc(280px - 240px);
    left: calc(280px - 140px);
    color: #222;
}
/* 시계 숫자 부분 끝 */


#center {
    position: absolute;
    border: 3px solid black;
    width: 25px;
    height: 25px;
    top: 0;    bottom: 0;    left: 0;    right: 0;
    background: red;
    margin: auto;
    border-radius: 50%;
    z-index: 10000;
}
#second {
    position: absolute;
    height: 240px;
    width: 6px;
    background-color: red;
    left: 0;
    right: 0;
    margin: auto;
    bottom: 280px;
    transform: rotate(0deg);
    transform-origin: center 100%; /* 50% 100% 와 같은 의미 */
    z-index: 10;

}
#minute {
    position: absolute;
    height: 200px;
    width: 12px;
    background-color: #888;
    border: 2px solid #222;
    left: 0;
    right: 0;
    margin: auto;
    bottom: 280px;
    transform: rotate(0deg);
    transform-origin: center 100%; /* 50%(=center) 100% 와 같은 의미 */
    border-radius: 50px 50px 0;
    z-index: 9;
}
#hour {
    position: absolute;
    height: 140px;
    width: 18px;
    background-color: rgb(219, 214, 214);
    border: 2px solid #222;
    left: 0;
    right: 0;
    margin: auto;
    bottom: 280px;
    transform: rotate(0deg);
    transform-origin: center 100%; /* 50% 100% 와 같은 의미 */
    border-radius: 50px 50px 0;
}
.big_aclock .brand {
    position: absolute;
    left: 0;
    right: 0;
    text-align: center;
    margin-top: 85px;
    color: rgb(226, 226, 226);
    font-weight: bold;
    font-size: 20px;
}
#sec {
    color: red;
}